Finding the Fourth Proportional to 340,362.79, 469,711.83 and 187,416.79
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Solution
The fourth proportional to 340,362.79, 469,711.83 and 187,416.79 is: 258,641.33
Step by Step Solution
- Step 1: Write the proportion equation
340,362.79 : 469,711.83 = 187,416.79 : x - Step 2: Convert to fraction form
340,362.79/469,711.83 = 187,416.79/x - Step 3: Cross multiply
340,362.79x = 469,711.83 × 187,416.79 - Step 4: Simplify right side
340,362.79x = 88,031,883,403.63 - Step 5: Solve for x
x = 88,031,883,403.63/340,362.79 - Step 6: Final answer
x = 258,641.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.